Year	Dollars
1992-01-01	32229590
1997-01-01	24752916
2002-01-01	2392248
2003-01-01	3877976
2004-01-01	4572736
2005-01-01	8495571
2006-01-01	9075885
2007-01-01	21534616
2008-01-01	42440464
2009-01-01	27154173
2010-01-01	30868425
2011-01-01	38173698
2012-01-01	61599846
2013-01-01	231739937
2014-01-01	239601553
2015-01-01	380495959
2016-01-01	372200349
